| Kjærlighedens Komedie, 19050914 | Kjærlighedens Komedie | 19050914 | 14th September 1905 | Nationaltheatret | Nationaltheatret | Norway | |
| Kruununtavoittelijat, 19131202 | Kruununtavoittelijat | 19131202 | 2nd December 1913 | Tampereen Teatteri | Tampereen Teatteri | Finland | |
| Kísértetek, 190709 | Kísértetek | 190709 | September 1907 | Szentes | Szentes | Hungary | |
| Kronprätendenten, Die, 19290213 | Die Kronprätendenten | 19290213 | 13th February 1929 | Deutsches Schauspielhaus | Deutsches Schauspielhaus | Germany | |
| Kísértetek, 192301 | Kísértetek | 192301 | January 1923 | Sátoraljaújhely | Sátoraljaújhely | Hungary | |
| Kleine Eyolf, 20000326 | Kleine Eyolf | 20000326 | 26th March 2000 | Stadsschouwburg Utrecht | Stadsschouwburg Utrecht | Netherlands | |
| Kansanvihollinen, 19880413 | Kansanvihollinen | 19880413 | 13th April 1988 | Joensuun Kaupunginteatteri | Joensuun Kaupunginteatteri | Finland | |
| Komödie der Liebe, 19000915 | Komödie der Liebe | 19000915 | 15th September 1900 | Sezessionsbühne | Sezessionsbühne | Germany | |
| Kukol'nyj dom, 19391114 | Kukol'nyj dom (A Doll's House) | 19391114 | 14th November 1939 | Jaroslavskij dramatičeski teatr imeni F.Volkova | Jaroslavskij dramatičeski teatr imeni F. Volkova | Russia | |
| Kísértetek, 19131209 | Kísértetek | 19131209 | 9th December 1913 | Oravița | Oravița | Romania | |
| Klein Eyolf, 19040120 | Klein Eyolf | 19040120 | 20th January 1904 | Stadttheater Libau | Stadttheater Libau | Latvia | |
| Kansanvihollinen, 19811114 | Kansanvihollinen | 19811114 | 14th November 1981 | Kemin Kaupunginteatteri | Kemin Kaupunginteatteri | Finland | |
| Kämparne på Helgeland, 18760426 | Kämparne på Helgeland | 18760426 | 26th April 1876 | Upsala Teater | Upsala Teater | Sweden | |
| Kísértetek, 19101101 | Kísértetek | 19101101 | 1st November 1910 | Körmend | Körmend | Hungary | |
| Kísértetek, 19461129 | Kísértetek | 19461129 | 29th November 1946 | Cegléd | Cegléd | Hungary | |
| Kísértetek, 19250429 | Kísértetek | 19250429 | 29th April 1925 | Renaissance Színház | Renaissance Színház | Hungary | |
| Kleine Eyolf, 20000428 | Kleine Eyolf | 20000428 | 28th April 2000 | Odeon de Spiegel | Odeon de Spiegel | Netherlands | |
| Kis Eyolf, 19330623 | Kis Eyolf | 19330623 | 23rd June 1933 | Pécs | Pécs | Hungary | |
| Kísértetek, 19270105 | Kísértetek | 19270105 | 5th January 1927 | Baja | Baja | Hungary | |
| Kongs-emnerne, 18840912 | Kongs-emnerne | 18840912 | 12th September 1884 | Christiania Theater | Christiania Theater | Norway | |
| Kogda my, mertvye, probuzdaemsja, 19001128 | Kogda my, mertvye, probuzdaemsja | 19001128 | 28th November 1900 | Moskovskij Chudožestvennyj akademičeskij teatr | Moskovskij Chudožestvennyj akademičeskij teatr | Russia | |
| Kongsemnerne, 19620901 | Kongsemnerne | 19620901 | 1st September 1962 | Nationale Scene, Den | Den Nationale Scene | Norway | |
| kouklospito, Ena, 19950205 | Ena kouklospito | 19950205 | 5th February 1995 | | Dimotiko Theatro Siatistas | Greece | |
| Komödie der Liebe, 19210119 | Komödie der Liebe | 19210119 | 19th January 1921 | Kurhausbühne | Kurhausbühne | Germany | |
| Kísértetek, 19230520 | Kísértetek | 19230520 | 20th May 1923 | Miskolc | Miskolc | Hungary | |
| Klein Eyolf, 19090224 | Klein Eyolf | 19090224 | 24th February 1909 | Lessingtheater | Lessingtheater | Germany | |
| Kærlighedens Komedie, 19280320 | Kærlighedens Komedie | 19280320 | 20th March 1928 | Kongelige Teater, Det | Det Kongelige Teater | Denmark | |
| Kærlighedens Komedie, 18980521 | Kærlighedens Komedie | 18980521 | 21st May 1898 | Dagmarteatret | Dagmarteatret | Denmark | |
| Kukol'nyj dom, 1910 | Kukol'nyj dom (A Doll's House) | 1910 | 1910 | Rustov-na-Donu | Rustov-na-Donu | Russia | |
| Kísértetek, 19130122 | Kísértetek | 19130122 | 22nd January 1913 | Újpest | Újpest | Hungary | |
| Kísértetek, 19250826 | Kísértetek | 19250826 | 26th August 1925 | Eger | Eger | Hungary | |
| Kongsemnerne, 18790202 | Kongsemnerne | 18790202 | 2nd February 1879 | Komediehuset | Komediehuset | Norway | |
| Kjærlighedens Komedie, 19081226 | Kjærlighedens Komedie | 19081226 | 26th December 1908 | Stavanger Teater | Stavanger Teater | Norway | |
| Kämparne på Helgeland, 18760209 | Kämparne på Helgeland | 18760209 | 9th February 1876 | Växjö Teater | Växjö Teater | Sweden | |
| Kísértetek, 19100507 | Kísértetek | 19100507 | 7th May 1910 | Színművészeti Akadémia | Színművészeti Akadémia | Hungary | |
| Kísértetek, 19230418 | Kísértetek | 19230418 | 18th April 1923 | Kőszeg | Kőszeg | Hungary | |
| Kleine Eyolf, 20000415 | Kleine Eyolf | 20000415 | 15th April 2000 | Theater Lieve Vrouw | Theater Lieve Vrouw | Netherlands | |
| Kis Eyolf, 19321219 | Kis Eyolf | 19321219 | 19th December 1932 | Győr | Győr | Hungary | |
| Kukol'nyj dom, 194405 | Kukol'nyj dom (A Doll's House) | 194405 | May 1944 | Orlovskii dramatičeskii teatr imeni I. Turgeneva | Orlovskii dramatičeskii teatr imeni I. Turgeneva | Russia | |
| Kísértetek, 19130222 | Kísértetek | 19130222 | 22nd February 1913 | Szekszárd | Szekszárd | Hungary | |
| Kaiser und Galiläer, 20160701 | Kaiser und Galiläer | 20160701 | 1st July 2016 | Oberammergau, Passionstheater | Passionstheater Oberammergau | Germany | |
| Kuklen dom, 19811211 | Kuklen dom | 19811211 | 11th December 1981 | | Dramatitschen teatar Vraza | Bulgaria | |
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